Seiko Cal. 6377 - 416

The 6377-416 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6377 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-352424461bbf]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1997

Related Models

• Seiko 6622-326
• Seiko 4463-767
• Seiko 7187-636
• Seiko 4492-486
• Seiko 6245-376
• Seiko 5684-465
• Seiko 7193-439
• Seiko 7166-335
• Seiko 5253-179
• Seiko 0786-103
• Seiko 6633-639
• Seiko 7128-713