Seiko Cal. 7157 - 923

Released in 1967, the Cal. 7157 with design code 923 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-46f0f6ec9211]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1967

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