Seiko Cal. 7156 - 227

The Seiko 7156-227 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-635e9cf41dac]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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