Seiko Cal. 7177 - 849

This Hand-Winding model from 1968 features a 38mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-35870814ef42]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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