Seiko Cal. 7177 - 402

The 7177-402 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7177 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-3679cb5da20d]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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