Seiko Cal. 6377 - 853

The Seiko 6377-853 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-415a490de080]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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