Seiko Cal. 7158 - 921

The Seiko 7158-921 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-6287239ba6ae]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1971

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