Seiko Cal. 0770 - 977

The 0770-977 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-d8c3ff858e75]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

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