Seiko Cal. 7135 - 578

This Spring Drive model from 1968 features a 41mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c21ec751ed99]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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