Seiko Cal. 6156 - 503

This Hand-Winding model from 1977 features a 35mm Gold-Plated case. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-c0b65d7f22e9]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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