Seiko Cal. 4539 - 378

The Seiko 4539-378 represents an important milestone in Seiko's 1982 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-5a9f54362b95]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1982

Related Models

• Seiko 6630-344
• Seiko 6356-605
• Seiko 6627-661
• Seiko 6138-174
• Seiko 4463-777
• Seiko 7016-897
• Seiko 5669-954
• Seiko 6339-877
• Seiko 4410-184
• Seiko 5660-220
• Seiko 4566-669
• Seiko 0783-650